Schwassmann-Wachmann 1 (29P)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2022-10-14 (JD 2459866.5)
Eccentricity (e)0.0447981445 ± 1.85e-08
Semi-major axis (a)6.0459765546 AU ± 9.49e-08
Inclination (i)9.36477141° ± 9.63e-07
Long. of Asc. Node (Ω)312.39091655° ± 3.07e-06
Arg. of Perihelion (ω)50.66270007° ± 2.70e-05
Mean Anomaly (M)84.63508074° ± 2.85e-05
Mean Motion (n)0.0662986043°/day ± 1.56e-09
Perihelion dist (q)5.77512802 AU ± 1.44e-07
Aphelion dist (Q)6.31682509 AU ± 1.49e-07
Orbital Period14.86647108 yr ± 3.50e-07
Orbit Solution
SourceJPL
Solution Date2025-04-14 15:28:00
RMS Residual0.369″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID4.780000 AU
Observations Used739
Oppositions—
Arc Total2009-2025
First Observation Used—
Last Observation Used2025-02-05
Observations (52882)
Date Type RA Dec Mag Band Observatory
2016-08-23 22:29:11 C 19 17 51.34 -25 38 58.5 – q J22
2016-08-23 22:34:34 C 19 17 51.29 -25 38 58.3 – q J22
2016-08-23 23:39:48 C 19 17 50.64 -25 38 54.9 – Q G39
2016-08-23 23:44:40 C 19 17 50.59 -25 38 55.1 – Q G39
2016-08-23 23:53:20 C 19 17 50.45 -25 38 54.4 – q I39
2016-08-24 00:02:23 C 19 17 50.36 -25 38 54.2 – q W96
2016-08-24 00:29:31 C 19 17 50.04 -25 38 53.3 – q I39
2016-08-24 00:50:13 C 19 17 49.81 -25 38 53.0 – q W96
2016-08-24 01:57:39 C 19 17 49.03 -25 38 50.9 – q W96
2016-08-24 19:15:56 C 19 17 37.70 -25 38 22.6 – q A71
2016-08-24 19:20:19 C 19 17 37.66 -25 38 22.4 – q A71
2016-08-24 19:26:50 C 19 17 37.59 -25 38 22.1 – q A71
2016-08-24 19:54:19 C 19 17 37.28 -25 38 20.5 – q K25
2016-08-24 20:11:14 C 19 17 37.10 -25 38 20.2 – q K25
2016-08-24 20:23:55 C 19 17 36.91 -25 38 17.6 – w C35
2016-08-24 20:25:02 C 19 17 36.95 -25 38 19.9 – w C35
2016-08-24 20:26:08 C 19 17 36.95 -25 38 20.3 – w C35
2016-08-24 20:27:15 C 19 17 36.98 -25 38 20.7 – w C35
2016-08-24 20:27:41 C 19 17 36.88 -25 38 19.6 – q K25
2016-08-24 20:44:25 C 19 17 36.75 -25 38 19.7 – q A77
2016-08-24 20:45:53 C 19 17 36.68 -25 38 19.4 – q 215
2016-08-24 20:47:43 C 19 17 36.66 -25 38 19.3 – q 215
2016-08-24 20:49:35 C 19 17 36.65 -25 38 19.9 – q 215
2016-08-24 21:24:58 C 19 17 36.26 -25 38 18.6 – q A77
2016-08-24 22:10:25 C 19 17 35.80 -25 38 16.2 – q A77
2016-08-24 22:55:57 C 19 17 35.30 -25 38 15.2 – q A77
2016-08-24 23:32:11 C 19 17 35.04 -25 38 12.2 – Q G39
2016-08-24 23:37:01 C 19 17 34.97 -25 38 12.8 – Q G39
2016-08-25 20:41:22 C 19 17 21.64 -25 37 35.9 – q A77
2016-08-25 22:19:51 C 19 17 20.58 -25 37 32.9 – q A77
2016-08-25 22:22:04 C 19 17 20.62 -25 37 32.2 – q J22
2016-08-25 22:30:06 C 19 17 20.51 -25 37 31.8 – q J22
2016-08-25 23:05:03 C 19 17 20.14 -25 37 31.1 – q A77
2016-08-25 23:30:27 C 19 17 19.91 -25 37 28.8 – Q G39
2016-08-25 23:35:17 C 19 17 19.88 -25 37 28.8 – Q G39
2016-08-25 23:44:52 C 19 17 19.77 -25 37 29.0 – Q G39
2016-08-26 20:36:05 C 19 17 07.15 -25 36 50.7 – q K02
2016-08-26 20:44:52 C 19 17 07.03 -25 36 51.1 – q K02
2016-08-26 20:59:47 C 19 17 06.95 -25 36 50.2 – q A77
2016-08-26 22:04:55 C 19 17 06.24 -25 36 47.6 – q A77
2016-08-26 22:13:49 C 19 17 06.22 -25 36 46.4 – q J22
2016-08-26 22:19:13 C 19 17 06.18 -25 36 46.5 – q J22
2016-08-26 22:21:55 C 19 17 06.17 -25 36 46.5 – q J22
2016-08-26 23:11:16 C 19 17 05.62 -25 36 45.7 – q A77
2016-08-26 23:32:59 C 19 17 05.54 -25 36 43.3 – Q G39
2016-08-26 23:45:48 C 19 17 05.38 -25 36 43.1 – Q G39
2016-08-27 19:42:18 C 19 16 53.81 -25 36 05.1 – q A77
2016-08-27 20:37:05 C 19 16 53.29 -25 36 04.2 – q A77
2016-08-27 21:43:24 C 19 16 52.60 -25 36 00.9 – q A77
2016-08-28 09:07:05 C 19 16 46.27 -25 35 36.3 – u Q62